| Lauriston Hall | Lauriston Hall | Scotland, Edinburgh, 28 Lauriston Street | 1924-07-25 | -- | 1924 | 1 | |
| Lokstallen Otta | Lokstallen Otta | Norway, Otta | 2006-09-15 | 2006-09-17 | 2006 | 1 | |
| Logan Square Masonic Temple | Logan Square Masonic Temple | United States, Chicago, Cnr Randolph & State Streets | 1938-12-18 | -- | 1938 | 1 | |
| Lindhurst Theatre | Lindhurst Theatre | United States, Malibu, 24255 Pacific Coast Highway | 2018-01-23 | 2018-01-27 | 2018 | 1 | |
| Lókal | Lókal | Iceland, Reykjavík | 2010-09-04 | 2010-09-05 | 2010 | 1 | |
| Loughborough Town Hall Theatre | Loughborough Town Hall Theatre | England, Loughborough, Leicestershire, Market Place | 2014-10-21 | 2014-10-21 | 2014 | 1 | |
| Little Theatre, Central Hall, Hillsdale College | Little Theatre, Central Hall, Hillsdale College | United States, Hillsdale, 33 E College St | 1933-12-19 | -- | 1933 | 1 | |
| Lewis Center for the Arts - Marie and Edward Matthews '53 Acting Studio | Lewis Center for the Arts - Marie and Edward Matthews '53 Acting Studio | United States, Princeton, 185 Nassau Street | 2008-02-08 | 2008-02-16 | 2008 | 1 | |
| Landestheater Schleswig | Landestheater Schleswig | Germany, Schleswig | 1954-02-28 | -- | 1954 | 1 | |
| Leutkircher Theater | Leutkircher Theater | Germany, Leutkirch im Allgäu | 2011-03-19 | -- | 2011 | 1 | |
| Langesund ungdomsskole | Langesund ungdomsskole | Norway, Langesund | 2004-10-28 | 2004-10-29 | 2004 | 1 | |
| Länsteatern På Gotland | Länsteatern På Gotland | Sweden, Visby, Bredgatan 10 | 2019-10-04 | 2019-10-05 | 2019 | 1 | |
| Lyceum Theatre | Lyceum Theatre | United States, Atlanta | 1895-12-28 | 1895-12-28 | 1895 | 1 | |
| Lyric Theatre | Lyric Theatre | England, London, Shaftesbury Avenue | 1925-02-02 | -- | 1925 | 1 | |
| Lyric Theatre | Lyric Theatre | United States, Jakcson | 1908-10-12 | 1908-10-12 | 1908 | 1 | |
| Little Theater | Little Theater | Tanzania, Dar Es Salaam, | 1979-04-01 | -- | 1979 | 1 | |
| Lilla Edet | Lilla Edet | Sweden, Lilla Edet | 1989-11-03 | 1989-11-03 | 1989 | 1 | |
| Lenzburg | Lenzburg | Switzerland, Lenzburg | 1991-09-12 | -- | 1991 | 1 | |
| Lindesborgs bygdegård | Lindesborgs bygdegård | Sweden, Malmköping, Lindersborgs bygdegård | 2019-09-29 | 2019-09-29 | 2019 | 1 | |
| Linenhall Arts Centre | Linenhall Arts Centre | Ireland, Castlebar, Linenhall St | 2011-05-19 | -- | 2011 | 1 | |
| Lødingen, Samfunnshuset | Samfunnshuset Lødingen (Loedingen) | Norway, Lødingen, Lødingen | 2009-09-03 | -- | 2009 | 1 | |
| Loge, La | La Loge | France, Paris, 77 Rue de Charonne | 2016-05-10 | 2016-05-13 | 2016 | 1 | |
| La Galerie | La Galerie | France, Paris, Cité Internationale Universitaire | 1977-10-04 | 1977-11-19 | 1977 | 1 | |
| La Salita | La Salita | Chile, Santiago | 1990-12-08 | -- | 1990 | 1 | |
| Landesbühnen Sachsen | Landesbühnen Sachsen | Germany, Radebeul, Meißner Straße 152 | 1981-01-17 | -- | 1981 | 1 | |
| Lanxin Theater | Lanxin Theater | China, Shanghai, 57 Maoming S Rd, Huangpu District | 2006-06-23 | 2006-06-25 | 2006 | 1 | |
| LIPA - Sennheiser Studio Theatre | LIPA - Sennheiser Studio Theatre | England, Liverpool, Pilgrim st / Mount st | 2009-05-14 | 2009-05-14 | 2009 | 1 | |
| Linz | Linz | Austria, Linz | 1946-04-16 | 1946-04-17 | 1946 | 1 | |
| Landskrona | Landskrona | Sweden, Landskrona | 1936-10-19 | -- | 1936 | 1 | |
| Lincoln Park | Lincoln Park | United States, Cleveland | 2011-08-05 | -- | 2011 | 1 | |
| La Crosse | La Crosse | United States, La Crosse | 1903-11-10 | 1903-11-10 | 1903 | 1 | |
| Loessin Playhouse | Loessin Playhouse | United States, Greenville, E 5th St, East Carolina University | 2006-11-16 | 2006-11-21 | 2006 | 1 | |
| Landestheater Gotha-Sonderhausen | Landestheater Gotha-Sonderhausen | Germany, Gotha-Sonderhausen | 1940-10-01 | -- | 1940 | 1 | |
| Luzerner Theater | Luzerner Theater | Switzerland, Lucerne, Theaterstrasse 2 | 2017-01-18 | 2017-02-12 | 2017 | 1 | |
| Latviešu teātris | Latviešu teātris | Latvia, ?, ? | 1918-03-13 | -- | 1918 | 1 | |
| Ljusdal | Ljusdal | Sweden, Ljusdal | 1991-03-12 | 1991-03-12 | 1991 | 1 | |
| Lipeckij gosudarstvennyj akademiceskij teatr dramy imeni L.N | Lipeckij gosudarstvennyj akademiceskij teatr dramy imeni L.N | Russia, Lipeck | 1999-02-06 | -- | 1999 | 1 | |
| Lower Denton Theatre | Lower Denton Theatre | Canada, Wolfville, 15 University Ave | 2018-03-22 | 2018-03-31 | 2018 | 1 | |
| Little Theatre | Little Theatre | Australia, Adelaide, The Cloisters, The University of Adelaide | 1984-09-12 | 1984-09-28 | 1984 | 1 | |
| L'Ange, Théâtre De | Théâtre De L'Ange | France, Avignon, 15 Rue des Teinturiers | 2018-07-15 | 2018-07-28 | 2018 | 1 | |
| Linköpings Stadsteater | Linköpings Stadsteater | Sweden, Linköping | 1979-08-23 | -- | 1979 | 1 | |
| LaBelle Theatre | LaBelle Theatre | United States, Pittsburg | 1910-11-10 | 1910-11-10 | 1910 | 1 | |
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